U+2F10 "⼐" Kangxi Radical Open Box Unicode Character
Unicode Version 17.0
⼐
U+2F10 "⼐" Kangxi Radical Open Box is a representation of the ancient Chinese radical known as "open box," which is derived from the Kangxi dictionary system of 214 radicals. This specific radical, numbered 17 in the Kangxi system, symbolizes an opened or empty container, often used in traditional Chinese characters to convey concepts related to boxes, receptacles, or spaces that are defined by their boundaries. In modern usage, it appears as a component in more complex characters, retaining its original pictographic form that dates back to early Chinese writing, where it visually depicts a simple open shape.
General Properties
| Code Point | U+2F10 |
| Version Added | 3.0 |
| Name | Kangxi Radical Open Box |
| Block | Kangxi Radicals |
| General Category | Other Symbol |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Other Neutral |
| Decomposition Type | Compat |
| Decomposition Mapping | "凵" U+51F5 CJK Unified Ideograph-# |
Encodings
| HTML Decimal Encoding | ⼐ |
| HTML Hex Encoding | ⼐ |
| UTF-8 Encoding | 0xE2 0xBC 0x90 |
| UTF-16 Encoding | 0x2F10 |
| UTF-32 Encoding | 0x00002F10 |
| C/C++/Java Escape | \u2f10 |
Unicode Properties
| NFC Quick Check | Yes |
| NFD Quick Check | Yes |
| Numeric Type | None |
| Numeric Value | NaN |
| Line Break | Ideographic |
| East Asian Width | Wide |
| Changes When NFKC Casefolded | Yes |
| NFKC Casefold | "凵" U+51F5 CJK Unified Ideograph-# |
| NFKC Simple Casefold | "凵" U+51F5 CJK Unified Ideograph-# |
| Script | Han |
| Script Extensions | Han |
| Indic Syllabic Category | Other |
| Vertical Orientation | Upright |
| Grapheme Base | Yes |
| Grapheme Cluster Break | Other |
| Word Break | Other |
| Sentence Break | Other |
| Equivalent Unified Ideograph | 51F5 |
| Radical | Yes |